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You are here: Home 12.12. Micro Theory Seminar: Mark Armstrong

12.12. Micro Theory Seminar: Mark Armstrong

Micro Theory Seminar with Mark Armstrong (University of Oxford)

Event details
What
  • Micro Theory Seminar
When Dec 12, 2018
from 16:30 to 17:45
Where faculty room
Contact Name Stephan Lauermann
Contact Email
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Topic

Captive customers

Abstract

We study mixed-strategy equilibrium pricing in oligopoly settings where consumers vary in the set of suppliers they consider for their purchase--some being captive to a particular firm, some consider two particular firms, and so on. In the case of "nested reach" we find equilibria, unlike those in more standard models, in which firms are ranked in terms of the prices they might charge. We characterize equilibria in the three-firm case, and contrast them with equilibria in the parallel model with capacity constraints. A theme of the analysis is how patterns of consumer interaction with firms matter for competitive outcomes.
 

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